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Evaluation of solid-phase extraction sorbent with ketoimine groups for the preconcentration of benzene and phenolic compounds in water
Modified silica solid-phase extraction SPE
2010/10/18
The applicability of silica gel, modified with ketoimine groups, to solid phase extraction (SPE) was tested. Basic characteristics of the modified silica were determined using elemental analysis, and ...
Flame Atomic Absorption Spectrometric Determination of Palladium in Aqueous Samples after Preconcentration Using Nanoparticles of γ-Alumina Functionalized with Pyridine Groups
Flame Atomic Absorption Spectrometric Palladium Aqueous Samples Preconcentration Nanoparticles of γ-Alumina Functionalized Pyridine Groups
2010/9/20
A new solid phase, nanoparticles of alumina functionalized with pyridine groups, was synthesized and used for extraction and preconcentartion of palladium(II) ions from some water samples. The effects...
期刊信息
篇名
The geographic polymorphism of Y chromosome at DYS287 locus among 25 ethnic groups in Yunnan of China
语种
英文
撰写或编译
作者
Shi Hong,DONG Yongli,LI Weixiang,YANG Jie,LI Kaiyuan,ZAN Ruiguang,XIAO Chun...
Basic Al2O3 as a Recyclable Reagent for the Protection of Carbonyl Groups with Phenylhydrazine Derivatives and Semicarbazides
Basic alumina phenylhydrazine derivatives semicarbazides carbonyl compounds protection recyclable
2010/4/16
Basic alumina is employed as an inorganic basic solid catalyst for the clean and less hazardous protection of carbonyl compounds, such as phenylhydrazones, 2,4-dinitrophenylhydrazones, semicarbazones,...
New Aromatic Polyamide with Azo and Phosphine Oxide Groups in the Main Chain
Flame-retardant polymers phosphine oxide moieties 4,4`-azodibenzoic acid
2010/4/19
A new flame-retardant polyamide containing phosphine oxide and azobenzene moieties in the main chain was synthesized by the solution polycondensation reaction of 4,4`-azodibenzoic acid with bis(3-amin...
Synthesis of vic-Dioxime Derivatives with Hydrazone Side Groups and Their Metal Complexes
vic-Dioximes hydrazone compounds transition metal complexes
2010/4/19
Two novel vic-dioxime (L1H2, L2H2) compounds bearing hydrazone side groups and their transition metal complexes Ni(II), Co(II), Cu(II), and Zn(II) were synthesized. The vic-dioxime ligands bearing hyd...
Thermal Behaviour of Some Azo Dyes Containing Sterically Hindered and Water-Soluble Groups
Thermal Behaviour Some Azo Dyes Containing Sterically Hindered Water-Soluble Groups
2010/6/30
Thermal behaviour of six azo dyes containing steric hindered groups such as tert-butyl, sec-butyl and isopropyl, were investigated by means of thermogravimetry (TG), differential thermal analysis (DTA...
Heat Treatment of Maceral Groups Obtained From Turkish Bituminous Coals
Heat Treatment Maceral Groups Obtained Turkish Bituminous Coals
2010/7/1
The dilatation properties of parent coals and their maceral fractions were examined. In all the coal samples, the main petrographic constituent was the vitrinite maceral. Reflectance of the vitrinite ...